subsystem enum is int enum now

eive_tmtc/tmtc/payload/subsystem.py

@@ -12,7 +12,7 @@ from tmtccmd.tc.decorator import ServiceProviderParams
 from tmtccmd.tc.pus_200_fsfw_mode import Subservice as ModeSubservice
 
 
-class ModeId:
+class ModeId(enum.IntEnum):
     OFF = 0
     SUPV_ONLY = 10
     MPSOC_STREAM = 11